<template>
  <div class="container">
    <div class="app-container">
      <div class="left">
        <el-input
          v-model="queryParams.keyword"
          style="margin-bottom: 10px"
          type="text"
          prefix-icon="el-icon-search"
          size="small"
          placeholder="输入员工姓名全员搜索"
          @input="keyword"
        />
        <!-- 树形组件 -->
        <el-tree
          ref="deptTree"
          node-key="id"
          :data="depts"
          :props="defaultProps"
          default-expand-all
          highlight-current
          :expand-on-click-node="false"
          @current-change="selectNode"
        />
      </div>
      <div class="right">
        <el-row class="opeate-tools" type="flex" justify="end">
          <el-button
            v-permission="'add-employee'"
            size="mini"
            type="primary"
            @click="$router.push('/employee/detail')"
          >添加员工</el-button>
          <el-button
            size="mini"
            @click="showExcelDialog = true"
          >excel导入</el-button>
          <el-button size="mini" @click="exportEmployee">excel导出</el-button>
        </el-row>
        <!-- 表格组件 -->
        <el-table :data="list">
          <el-table-column prop="staffPhoto" align="center" label="头像">
            <template v-slot="{ row }">
              <el-avatar
                v-if="row.staffPhoto"
                :size="30"
                :src="row.staffPhoto"
              />
              <span v-else class="username">{{ row.username?.charAt(0) }}</span>
            </template>
          </el-table-column>
          <el-table-column prop="username" label="姓名" />
          <el-table-column prop="mobile" label="手机号" sortable />
          <el-table-column prop="workNumber" label="工号" sortable />
          <el-table-column prop="formOfEmployment" label="聘用形式">
            <template v-slot="{ row }">
              <span v-if="row.formOfEmployment === 1">正式</span>
              <span v-else-if="row.formOfEmployment === 2">非正式</span>
              <span v-else>无</span>
            </template>
          </el-table-column>
          <el-table-column prop="departmentName" label="部门" />
          <el-table-column prop="timeOfEntry" label="入职时间" sortable />
          <el-table-column label="操作" width="280px">
            <template v-slot="{ row }">
              <el-button
                size="mini"
                type="text"
                @click="$router.push(`/employee/detail/${row.id}`)"
              >查看</el-button>
              <el-button size="mini" type="text" @click="btnRole(row.id)">角色</el-button>
              <el-popconfirm
                title="确认删除该行数据吗？"
                @onConfirm="confirmDel(row.id)"
              >
                <template v-slot:reference>
                  <el-button size="mini" type="text" style="margin-left:10px">删除</el-button>
                </template>
              </el-popconfirm>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-row style="height: 60px" align="middle" type="flex" justify="end">
          <el-pagination
            layout="total,prev, pager, next"
            :total="total"
            :current-page="queryParams.page"
            :page-size="queryParams.pagesize"
            @current-change="changePage"
          />
        </el-row>
      </div>
    </div>
    <ImportExcel
      :show-excel-dialog.sync="showExcelDialog"
      @uploadSuccess="getEmployeeList"
    />
    <el-dialog :visible.sync="showRoleDialog" title="分配角色">
      <!-- 弹层内容 -->
      <!-- checkbox -->
      <el-checkbox-group v-model="roleIds">
        <!-- 放置n个的checkbox  要执行checkbox的存储值 item.id-->
        <el-checkbox
          v-for="item in roleList"
          :key="item.id"
          :label="item.id"
        >{{ item.name }}</el-checkbox>
      </el-checkbox-group>
      <el-row slot="footer" type="flex" justify="center">
        <el-button type="primary" size="mini" @click="btnRoleOK">确定</el-button>
        <el-button size="mini" @click="showRoleDialog = false">取消</el-button>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import ImportExcel from '@/views/employee/components/import-excel.vue'
import { getDepartment } from '@/api/department'
import { assignRole, getEmployeeList, exportEmployee, delEmployee, getEnableRoleList, getEmployeeDetail } from '@/api/employee'
import { transListToTreeData } from '@/utils'
import FileSaver from 'file-saver'
export default {
  name: 'Employee',
  components: {
    ImportExcel
  },
  data() {
    return {
      depts: [], // 组织数据
      defaultProps: {
        label: 'name',
        children: 'children'
      },
      // 存储查询参数
      queryParams: {
        departmentId: null, // 查询的部门id
        page: 1, // 当前页数
        pagesize: 5, // 每页显示条数
        keyword: ''
      },
      total: null, // 总条数
      list: [], // 员工列表
      showExcelDialog: false, // Excel弹窗是否显示
      showRoleDialog: false, // 用来控制角色弹层的显示
      roleList: [], // 接收角色列表
      roleIds: [], // 用来双向绑定数据的
      currentUserId: null // 用来记录当前点击的用户id
    }
  },
  created() {
    // 初始化数据
    this.getDepartment()
  },
  methods: {
    async getDepartment() {
      // 请求数据的同时加工数组
      this.depts = transListToTreeData(await getDepartment(), 0)
      this.queryParams.departmentId = this.depts[0].id
      // 设置选中节点
      // 树组件渲染是异步的 等到更新完毕
      this.$nextTick(() => {
        this.$refs.deptTree.setCurrentKey(this.queryParams.departmentId)
      })
      // 渲染员工列表
      this.getEmployeeList()
    },
    // 切换部门触发
    selectNode(node) {
      this.queryParams.departmentId = node.id
      // 把页码改成第一页
      this.queryParams.page = 1
      // 重新渲染员工列表
      this.getEmployeeList()
    },
    // 请求员工列表信息
    async getEmployeeList() {
      const { rows, total } = await getEmployeeList(this.queryParams)
      this.list = rows
      this.total = total
    },
    // 页码变化触发
    changePage(newPage) {
      // 修改最新页码数
      this.queryParams.page = newPage
      // 重新渲染员工列表
      this.getEmployeeList()
    },
    keyword() {
      clearTimeout(this.time)
      this.time = setTimeout(() => {
        // 把页码改成1
        this.queryParams.page = 1
        // 请求数据
        this.getEmployeeList(this.queryParams)
      })
    },
    async exportEmployee() {
      const res = await exportEmployee()
      // 把接收的二进制流数据转成文件下载
      FileSaver.saveAs(res, '员工信息表.xlsx')
    },
    // 删除员工
    async confirmDel(id) {
      await delEmployee(id)
      // 判断是否页码减一
      if (this.list.length === 1 && this.queryParams.page > 1) this.queryParams.page--
      // 重新加载数据
      this.getEmployeeList()
      this.$message.success('删除员工成功')
    },
    // 弹出角色列表
    async btnRole(id) {
      // 请求角色数据
      this.roleList = await getEnableRoleList()
      // 记录当前点击的id 因为后边 确定取消要存取给对应的用户
      this.currentUserId = id
      // 请求员工详细数据
      const { roleIds } = await getEmployeeDetail(id)
      // 数据回显
      this.roleIds = roleIds
      // 显示弹出层
      this.showRoleDialog = true
    },
    // 点击确定按钮
    async btnRoleOK() {
      await assignRole({
        id: this.currentUserId,
        roleIds: this.roleIds
      })
      this.$message.success('分配用户角色成功')
      // 关闭弹窗
      this.showRoleDialog = false
    }
  }
}
</script>

<style lang="scss" scoped>
.app-container {
  background: #fff;
  display: flex;

  .left {
    width: 280px;
    padding: 20px;
    border-right: 1px solid #eaeef4;
  }
  .right {
    flex: 1;
    padding: 20px;
    .opeate-tools {
      margin: 10px;
    }
    .username {
      height: 30px;
      width: 30px;
      line-height: 30px;
      text-align: center;
      border-radius: 50%;
      color: #fff;
      background: #04c9be;
      font-size: 12px;
      display: inline-block;
    }
  }
}
</style>
